Apparatus for electrodermal activity measurement with current compensation

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United States of America Patent

PATENT NO 11766187
APP PUB NO 20200315490A1
SERIAL NO

16668911

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Abstract

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An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V− (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.

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Patent Owner(s)

Patent OwnerAddress
EMPATICA SRL20144 MILANO (MI)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cenci, Ivan Verucchio, IT 11 36
Garbarino, Maurizio Turin, IT 7 25
Lai, Matteo San Sperate, IT 10 40
Resnati, Daniele Carate Brianza, IT 8 33
Tognetti, Simone Vimodrone, IT 12 36

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